CVE-2025-26791
unknown
CVSS v3
—
CVSS v2
—
VIR risk
—
Description
DOMPurify before 3.2.4 has an incorrect template literal regular expression, sometimes leading to mutation cross-site scripting (mXSS).
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2025-26791
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2025-26791.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | affected | |
| debian | forky | fixed | 3.1.7+dfsg+~3.0.5-2 |
| debian | sid | fixed | 3.1.7+dfsg+~3.0.5-2 |
| debian | trixie | fixed | 3.1.7+dfsg+~3.0.5-2 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| npm | dompurify | <3.2.4 | 3.2.4 |
References
- https://www.suse.com/security/cve/CVE-2025-26791.html
- https://nvd.nist.gov/vuln/detail/CVE-2025-26791
- https://github.com/cure53/DOMPurify/commit/d18ffcb554e0001748865da03ac75dd7829f0f02
- https://ensy.zip/posts/dompurify-323-bypass
- https://github.com/cure53/DOMPurify
- https://github.com/cure53/DOMPurify/releases/tag/3.2.4
- https://nsysean.github.io/posts/dompurify-323-bypass
- https://security-tracker.debian.org/tracker/CVE-2025-26791
Verify integrity in audit chain (admin only). AS-IS.